Engine Coolant

Types of coolant

There are three basic types of coolant:

⇒ Ethylene Glycol (EG), or conventional coolant, is typically green,  The proper mix of coolant is Important. If the coolant concentration is too high, then silicates will separate and drop out of the coolant. These silicates can form a paste that plugs heater cores, radiator tubes and may lead to water pump failure.  Sillicate paste can also plug small passages in the engine, leading to damaging hot spot. Too low of a coolant concentration, on the other hand, may lead to freezing, which can also cause engine damage.

⇒ Long Life, or Extended Life, Ethylene Glycol is typically Yellow. Extended life coolants provide a longer service interval under normal conditions because they don't require the addition of supplemental coolant additives (SCA).

⇒ Propylene Glycol (PG) is typically red. Because of its chemical makeup, PG coolants can cause damage to aluminum parts, gasket materials and certain kinds of hoses.

                     We will update this Engine coolant part 2 post soon Thank you.